Heavy-duty hood for wall installation. Includes 4" duct collar and bird screen to keep pests out. Can be used as a fresh air intake. NOTE: Does not include backdraft damper. Add Aldes BDD4 backdraft damper to create a dampered AND screened hood. 8" H X 6-1/8" W X 4-1/8" D (from wall). Total depth including mounting collar is 7-/2".

Heavy-duty hood for wall installation. Includes 4" duct collar and bird screen to keep pests out. Can be used as a fresh air intake. NOTE: Does not include backdraft damper. Add Aldes BDD4 backdraft damper to create a dampered AND screened hood. 8" H X 6-1/8" W X 4-1/8" D (from wall). Total depth including mounting collar is 7-/2".